#665F8D
Closest named color: Muted Purple (#805B87). oklch(51.1% 0.072 290.6), rgb(102, 95, 141).
Aa
White text reads best on this color (5.85:1).
About this color
#665F8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.072 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Purple (#805B87), ΔE 0.044 away. White text reads best on it, at 5.85:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Muted Purple (#805B87) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #665F8D |
| RGB | rgb(102, 95, 141) |
| HSL | hsl(249, 19%, 46%) |
| OKLCH | oklch(51.1% 0.072 290.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #665F8D | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #665F8D | 3.58:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #665F8D text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #665F8D text on black | 3.58:1 | AA large text | Lc -22.5 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D9D7E5
oklch(88.5% 0.019 292.6)
-
Step 300
300
#C0BDD6
oklch(80.9% 0.035 291.1)
-
Step 400
400
#A09BC2
oklch(70.7% 0.057 290.8)
-
Step 500
500
#8982B2
oklch(63.1% 0.072 290.9)
-
Step 600
600
#736B9E
oklch(55.6% 0.079 290.8)
-
Step 700
700 (this color)
#665F8D
oklch(51.1% 0.072 290.6)
-
Step 800
800
#4F496E
oklch(42.7% 0.061 291)
-
Step 900
900
#413D59
oklch(37.6% 0.048 290.5)
-
Step 950
950
#262434
oklch(27% 0.03 290)
#665F8D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #53668F | 0.032 |
| Deuteranopia (no green cones) | #53648C | 0.030 |
| Tritanopia (no blue cones) | #5D6770 | 0.061 |
| Achromatopsia (no color) | #656565 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665F8D
#665F8D
oklch(51.1% 0.072 290.6)
- #686A37
#686A37
oklch(51% 0.072 110.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #665F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Purple #805B87 ΔE 0.044
- Dusky Blue #475F94 ΔE 0.045
- Dusty Purple #825F87 ΔE 0.047
- Dusty Grape #545775 ΔE 0.052
- Dusk #4E5481 ΔE 0.053
- Dull Purple #84597E ΔE 0.054
- Denim #3B638C ΔE 0.057
- Twilight #4E518B ΔE 0.058
Use #665F8D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.